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Finding the Fourth Proportional to 447,106.59, 670,726.41 and 147,618.81

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Solution

The fourth proportional to 447,106.59, 670,726.41 and 147,618.81 is: 221,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,106.59 : 670,726.41 = 147,618.81 : x
  2. Step 2: Convert to fraction form
    447,106.59/670,726.41 = 147,618.81/x
  3. Step 3: Cross multiply
    447,106.59x = 670,726.41 × 147,618.81
  4. Step 4: Simplify right side
    447,106.59x = 99,011,834,479.77
  5. Step 5: Solve for x
    x = 99,011,834,479.77/447,106.59
  6. Step 6: Final answer
    x = 221,450.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.